diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 317f239..668c49a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,5 +1,12 @@
 name: Build Multi-Messenger Plot
-on: [push]
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - "**"
+  pull_request:
 
 env:
   TEXLIVE_VERSION: 2023